## @vue/babel-helper-vue-jsx-merge-props A package used internally by vue jsx transformer to merge props spread. It is required to merge some prop trees like this: ```js import mergeProps from '@vue/babel-helper-vue-jsx-merge-props' const MyComponent = { render(h) { // original: <button onClick={$event => console.log($event)} {...{ on: { click: $event => doSomething($event) } }} /> return h( 'button', mergeProps([ { on: { click: $event => console.log($event), }, }, { on: { click: $event => doSomething($event), }, }, ]), ) }, } ``` This tool is used internally and there is no reason for you to ever use it.